Finding the Fourth Proportional to 1,761,387,358.40, 2,642,081,037.60 and 534,553,841.60
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Solution
The fourth proportional to 1,761,387,358.40, 2,642,081,037.60 and 534,553,841.60 is: 801,830,762.40
Step by Step Solution
- Step 1: Write the proportion equation
1,761,387,358.40 : 2,642,081,037.60 = 534,553,841.60 : x - Step 2: Convert to fraction form
1,761,387,358.40/2,642,081,037.60 = 534,553,841.60/x - Step 3: Cross multiply
1,761,387,358.40x = 2,642,081,037.60 × 534,553,841.60 - Step 4: Simplify right side
1,761,387,358.40x = 1,412,334,568,467,593,984 - Step 5: Solve for x
x = 1,412,334,568,467,593,984/1,761,387,358.40 - Step 6: Final answer
x = 801,830,762.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.